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! { dg-do run }
! { dg-options "-fno-range-check" }
! { dg-add-options ieee }
!
! PR fortran/34319
!
! Check support of INF/NaN for I/O.
!
program main
implicit none
real :: r
complex :: z
character(len=30) :: str
str = "nan"
read(str,*) r
if (.not.isnan(r)) STOP 1
str = "(nan,4.0)"
read(str,*) z
if (.not.isnan(real(z)) .or. aimag(z) /= 4.0) STOP 2
str = "(7.0,nan)"
read(str,*) z
if (.not.isnan(aimag(z)) .or. real(z) /= 7.0) STOP 3
str = "inFinity"
read(str,*) r
if (r <= huge(r)) STOP 4
str = "(+inFinity,4.0)"
read(str,*) z
if ((real(z) <= huge(r)) .or. aimag(z) /= 4.0) STOP 5
str = "(7.0,-inFinity)"
read(str,*) z
if ((aimag(z) >= -huge(r)) .or. real(z) /= 7.0) STOP 6
str = "inf"
read(str,*) r
if (r <= huge(r)) STOP 7
str = "(+inf,4.0)"
read(str,*) z
if ((real(z) <= huge(r)) .or. aimag(z) /= 4.0) STOP 8
str = "(7.0,-inf)"
read(str,*) z
if ((aimag(z) >= -huge(r)) .or. real(z) /= 7.0) STOP 9
end program main
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